Related to Cognitive Dissonance

Self Sabotaging Behavior

Self Sabotaging Behavior (AKA: Self-handicapping) is a cognitive
strategy used to withdraw efforts or create obstacles in order
to keep potential failure from hurting self-esteem, or to maintain
public and private self-images of competence.

Individuals have a general tendency to seek consonance between
their views of themselves (self-esteem, self-concept, self-efficacy)
and their lives. Critical inner voices (negative self-talk) encourage
individuals to act out their defenses in all areas of their lives.
Individuals are often unaware of their own self-sabotaging thoughts
and behaviors.

Confirmation Bias

Confirmation Bias is a tendency to remember, interpret, or
selectively search for information that is consistent to one's
beliefs. This type of cognitive bias is stronger for deeply rooted
or emotionally charged issues. It explains other cognitive phenomena: